<template>
  <div class="add-card">
    <header class="add-header">
      <el-page-header :content="id?'编辑月卡':'增加月卡'" @back="$router.back()" />
    </header>

    <main class="add-main">
      <div class="form-container">
        <div class="title">车辆信息</div>

        <div class="form">
          <el-form 
          label-width="100px" 
          :model="carInfoForm" 
          :rules="carInfoRules"
          ref="carInfoForm">
            <el-form-item label="车主姓名" prop="personName">
              <el-input v-model="carInfoForm.personName"/>
            </el-form-item>

            <el-form-item label="联系方式" prop="phoneNumber">
              <el-input v-model="carInfoForm.phoneNumber"/>
            </el-form-item>

            <el-form-item label="车辆号码" prop="carNumber">
              <el-input v-model="carInfoForm.carNumber"/>
            </el-form-item>

            <el-form-item label="车辆品牌" prop="carBrand">
              <el-input v-model="carInfoForm.carBrand"/>
            </el-form-item>

          </el-form>

        </div>

      </div>

      <div class="form-container">
        <div class="title">最新一次月卡缴费信息</div>

        <div class="form">
          <el-form 
          label-width="100px" 
          :model="feeForm" 
          :rules="feeFormRules"
          ref="feeInfoForm">
            <el-form-item label="有效日期" prop="payTime">
              <el-date-picker 
              v-model="feeForm.payTime"
              type="daterange"
              range-separator="至"
              start-placeholder="开始日期"
              end-placeholder="结束日期"
              format="yyyy-MM-dd"
              value-format="yyyy-MM-dd"></el-date-picker>
            </el-form-item>

            <el-form-item label="支付金额" prop="paymentAmount">
              <el-input v-model="feeForm.paymentAmount"/>
            </el-form-item>

            <el-form-item label="支付方式" prop="paymentMethod">
              <el-select v-model="feeForm.paymentMethod">
                <el-option
                  v-for="item in payMethodList"
                  :key="item.id"
                  :value="item.id"
                  :label="item.name"
                />
              </el-select>

            </el-form-item>

          </el-form>

        </div>

      </div>

    </main>

    <footer class="add-footer">
      <div class="btn-container">
        <el-button @click="resetForm">重置</el-button>

        <el-button type="primary" @click="confirmAdd">确定</el-button>

      </div>

    </footer>

  </div>

</template>

<script>
import { addCardAPI, getCardDetailAPI, editCardAPI } from '@/api/card'
export default {
    name: 'AddMonthCard',
    data() {
        return {
            /* 校验字段，通过:model与data中carInfoForm绑定，输入框的具体每一个又通过v-model与data中carInfoForm的具体每一项
            比如carInfoForm.personName双向绑定，所以就实现了carInfoForm获取输入框输入的值，:rules="carInfoRules"绑定校验规则，
            而prop实现将表单项与表单验证规则、数据模型字段进行绑定 */
            carInfoForm: {
                personName: '',
                phoneNumber: '',
                carNumber: '',
                carBrand: ''
            },
            /* 上面表单校验规则 */
            carInfoRules: {
                personName: [
                    /* 非空校验 */
                    { required: true, message: '车主姓名不可为空', trigger: 'blur'}
                ],
                phoneNumber: [
                    { required: true, message: '联系方式不可为空', trigger: 'blur'},
                    /* 正则校验 */
                    { pattern:/^(?:(?:\+|00)86)?1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: 'blur'},
                ],
                carNumber: [
                    { required: true, message: '车牌号码不可为空', trigger: 'blur'},
                    /* 自定义校验：适用于比较复杂的场景validator */
                    { validator: this.validatorCarNumber, trigger: 'blur'}
                ],
                carBrand: [
                    { required: true, message: '车辆品牌不可为空', trigger: 'blur'}
                ],
            },
            /* 校验字段 */
            feeForm: {
                payTime: [],
                paymentAmount: null,
                paymentMethod: ''
            },
            /* 下面表单校验规则 */
            feeFormRules: {
                payTime: [
                    { required: true, message: '请选择支付时间'}
                ],
                paymentAmount: [
                    { required: true, message: '请输入支付金额', trigger: 'blur'}
                ],
                paymentMethod: [
                    { required: true, message:'请选择支付方式', trigger: 'change'}
                ]
            },
            /* 支付方式列表 */
            payMethodList: [
                { id: 'Alipay', name: '支付宝' },
                { id: 'WeChat', name: '微信' },
                { id: 'Cash', name: '线下' }
            ]
        }
    },
    computed: {
      id() {
        return this.$route.query.id
      }
    },
    created() {
      if (this.id) {
        this.getCardDetail()
      }
    },
    methods: {
        //点击确定时进行全局校验
        confirmAdd() {
            this.$refs.carInfoForm.validate((flag1) => {
                //如果校验失败，内容填的不对，则!flag1为真，执行return不再往下校验，如果校验成功，内容填的符合要求，则!flag1为假，return不执行，继续下面的校验
                if  (!flag1) return
                /* 等待addCardAPI()这个Promise完成，确保接口调用成功后再执行后续代码 */
                this.$refs.feeInfoForm.validate(async(flag2) => {
                    if (!flag2) return
                    //把上面变量对象中的数据合并到下面这个对象中
                    const requestData = {
                        ...this.carInfoForm,
                        ...this.feeForm,
                        cardStartDate: this.feeForm.payTime[0],
                        cardEndDate: this.feeForm.payTime[1]
                    }
                    /* v-model 的双向绑定确保了表单输入与 carInfoForm、feeForm 数据的实时同步，合并后的requestData包含正确数据，所以会有打印结果 */
                    //console.log(requestData) 
                    /* 因为接口做了处理，字段过多，所以把多余的字段删掉 */
                    delete requestData.payTime 
                    if (this.id) {
                      await editCardAPI(requestData)
                      this.$message.success('月卡编辑成功')
                    } else {
                      await addCardAPI(requestData)
                      this.$message.success('月卡添加成功')
                    }
                    this.$router.back()
                })
            })
        },
        //validator自定义校验三个参数：
        //rule用不到   value用户输入的数据  callback不管校验成功还是失败都会调用，成功callback()，失败callback(new Error(错误信息，出错提醒信息不再需要message))
        validatorCarNumber(rule, value, callback) {
            const plateNumberRegex = /^[\u4E00-\u9FA5][\da-zA-Z]{6}$/
            if (plateNumberRegex.test(value)) {
                callback()
            } else {
                callback(new Error('车牌号格式不正确'))
            }
        },
        /* 重置表单 */
        resetForm() {
            //只能清空加了prop表单域的内容
            this.$refs.carInfoForm.resetFields()
            this.$refs.feeInfoForm.resetFields()
        },
        /* 封装获取月卡详情接口 */
        async getCardDetail() {
          const { data } = await getCardDetailAPI(this.id)
          const { personName, phoneNumber, carNumber, carBrand, carInfoId } = data
          this.carInfoForm = { personName, phoneNumber, carNumber, carBrand, carInfoId }
          const { cardStartDate, cardEndDate, paymentAmount, paymentMethod, rechargeId } = data
          this.feeForm = {
            payTime: [cardStartDate, cardEndDate],
            paymentAmount,
            paymentMethod,
            rechargeId
          }
        }
    }
}
</script>

<style scoped lang="scss">
.add-card {
  background-color: #f4f6f8;
  height: 100vh;

  .add-header {
    display: flex;
    align-items: center;
    padding: 0 20px;
    height: 64px;
    background-color: #fff;

    .left {
      span {
        margin-right: 4px;
      }
      .arrow{
        cursor: pointer;
      }
    }

    .right {
      text-align: right;
    }
  }

  .add-main {
    background: #f4f6f8;
    padding: 20px 130px;

    .form-container {
      background-color: #fff;

      .title {
        height: 60px;
        line-height: 60px;
        padding-left: 20px;
      }

      .form {
        margin-bottom: 20px;
        padding: 20px 65px 24px;

        .el-form {
          display: flex;
          flex-wrap: wrap;

          .el-form-item {
            width: 50%;
          }
        }
      }
    }
    .preview{
      img{
        width: 100px;
      }
    }
  }

  .add-footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 24px 50px;
    color: #000000d9;
    font-size: 14px;
    background: #fff;
    text-align: center;
  }
}
</style>
